ESP-01 Breakout module adapter allows quick and easy installation of the ESP-01, ESP-01S or ESP8266-01 module to a breadboard. The adapter has goldpin header pins, 2.54mm pitch, for self-soldering. The holes for goldpin header pins are soldered so that in order to solder the header, unblock the holes using a solder sucker. Technical data goldpin header pitch - 2.54mm module dimensions: 19 x 16mm https://elecena.pl/product/22621003/esp-01-breakout-board-adapter-module 2023-02-23 https://elecena.pl/product/22621003/esp-01-breakout-board-adapter-module 2025-10-29